A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/02 (2006.01) A61B 17/94 (2006.01) A61M 31/00 (2006.01) A61N 1/372 (2006.01)
Patent
CA 2385027
The invention provides a means of closed exchange of implanted medical device components. An exchanger is brought into contact with the implanted medical device "in situ". The component is withdrawn from the implanted device and brought into a closed chamber of the exchanger. Without breaking the contact between implanted device and exchanger, the replacement component is then moved from its position in the exchanger, and inserted into the correct position in the implanted device. The surfaces of the implanted device are not brought into contact with the outside environment, thereby minimizing the possibility of introducing contaminants into the body during the exchange process. The invention is particularly useful for devices that are difficult to position and reposition, thus making it advantageous to exchange only an expended component, rather than the entire device.
L'invention concerne un moyen d'échange fermé de constituants contenus dans un dispositif médical implanté. Un échangeur est mis en contact avec le dispositif médical implanté in situ. Le constituant est retiré du dispositif implanté et placé dans une chambre fermée de l'échangeur. Tout en interrompant le contact entre le dispositif implanté et l'échangeur, le constituant de remplacement est alors déplacé de sa position dans l'échangeur, et introduit dans la position adéquate dans le dispositif implanté. Les surfaces du dispositif implanté ne sont pas mises en contact avec l'environnement extérieur, ce qui permet de réduire au minimum la possibilité d'introduire des contaminants dans le corps pendant le processus d'échange. L'invention est particulièrement utile pour des dispositifs difficiles à placer et à replacer, ce qui permet d'échanger avantageusement uniquement un constituant utilisé plutôt que l'ensemble du dispositif.
Gillis Edward M.
Nelson Timothy Scott
Durect Corporation
Fetherstonhaugh & Co.
LandOfFree
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